<template>
  <div class="search">
    <div class="search-box-wrapper">
      <search-box ref="searchBox" @query="onQueryChange"></search-box>
    </div>
    <div class="shortcut-wrapper" v-show="!query" ref="shortcutWrapper">
      <scroll class="shortcut" :data="shortcut" :refreshDelay="refreshDelay" ref="shortcut">
        <div>
          <div class="hot-key">
            <h1 class="title">热门搜索{{query}}</h1>
            <ul>
              <li @click="addQuery(item.k)" class="item" v-for="item in hotkey">
                <span>{{item.k}}</span>
              </li>
            </ul>
          </div>
          <div class="search-history" v-show="searchHistory.length">
            <h1 class="title">
        		<span class="text">搜索历史</span>
        		<span class="clear" @click="deleteAll">
        			<i class="icon-clear"></i>
        		</span>
        	</h1>
            <search-list :searches="searchHistory" @select="addQuery" @delete="deleteOne"></search-list>
          </div>
        </div>
      </scroll>
    </div>
    <div class="search-result" v-show="query" ref="searchResult">
      <suggest ref="suggest" @select="saveSearch" @listScroll="blurInput" :query="query"></suggest>
    </div>
    <confirm ref="confirm" text="是否清空所有搜索历史？" confirmBtnText="清空" @confirm="clearSearchHistory"></confirm>
    <router-view></router-view>
  </div>
</template>
<script type="text/ecmascript-6">
import SearchBox from 'base/search-box/search-box'
import Suggest from 'components/suggest/suggest'
import SearchList from 'base/search-list/search-list'
import Confirm from 'base/confirm/confirm'
import Scroll from 'base/scroll/scroll'
import {
  mapActions,
  mapGetters
} from 'vuex'
import {
  getHotKey
} from 'api/search'
import {
  ERR_OK
} from 'api/config'
import {
  playlistMixin,
  searchMixin
} from 'common/js/mixin'

export default {
  mixins: [playlistMixin, searchMixin],
  created() {
    this._getHotKey()
  },
  data() {
    return {
      hotkey: []
    }
  },
  computed: {
    shortcut() {
      return this.hotkey.concat(this.searchHistory)
    },
    ...mapGetters(['searchHistory'])
  },
  watch: {
    query(newQuery) {
      if (!newQuery) {
        setTimeout(() => {
          this.$refs.shortcut.refresh()
        }, 20)
      }
    }
  },
  methods: {
    handlePlaylist(playlist) {
      const bottom = playlist.length > 0 ? '60px' : ''
      this.$refs.shortcutWrapper.style.bottom = bottom
      this.$refs.shortcut.refresh()
      this.$refs.searchResult.style.bottom = bottom
      this.$refs.suggest.refresh()
    },
    deleteOne(item) {
      this.deleteSearchHistory(item)
    },
    deleteAll() {
      this.showConfirm()
      this.clearSearchHistory()
    },
    showConfirm() {
      this.$refs.confirm.show()
    },
    _getHotKey() {
      getHotKey().then((res) => {
        if (res.code === ERR_OK) {
          this.hotkey = res.data.hotkey.slice(0, 10)
        }
      })
    },
    ...mapActions(['deleteSearchHistory', 'clearSearchHistory'])
  },
  components: {
    SearchBox,
    Suggest,
    SearchList,
    Confirm,
    Scroll
  }
}
</script>
<style lang="scss" scoped>
@import "src/common/scss/variable";
@import "src/common/scss/mixin";
.search {
  .search-box-wrapper {
    margin: 20px;
  }
  .shortcut-wrapper {
    position: fixed;
    top: 178px;
    bottom: 0;
    width: 100%;
    .shortcut {
      height: 100%;
      overflow: hidden;
      .hot-key {
        margin: 0 20px 20px 20px;
        .title {
          margin-bottom: 20px;
          font-size: $font-size-medium;
          color: $color-text-l;
        }
        .item {
          display: inline-block;
          padding: 5px 10px;
          margin: 0 20px 10px 0;
          border-radius: 6px;
          background: $color-highlight-background;
          font-size: $font-size-medium;
          color: $color-text-d;
        }
      }
      .search-history {
        position: relative;
        margin: 0 20px;
        .title {
          display: flex;
          align-items: center;
          height: 40px;
          font-size: $font-size-medium;
          color: $color-text-l;
          .text {
            flex: 1;
          }
          .clear {
            @include extend-click();
            .icon-clear {
              font-size: $font-size-medium;
              color: $color-text-d;
            }
          }
        }
      }
    }
  }
  .search-result {
    position: fixed;
    width: 100%;
    top: 178px;
    bottom: 0;
  }
}
</style>
